Home / 5,161.44-7,741.30-2,387.88

Finding the Fourth Proportional to 5,161.44, 7,741.30 and 2,387.88

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Solution

The fourth proportional to 5,161.44, 7,741.30 and 2,387.88 is: 3,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.44 : 7,741.30 = 2,387.88 : x
  2. Step 2: Convert to fraction form
    5,161.44/7,741.30 = 2,387.88/x
  3. Step 3: Cross multiply
    5,161.44x = 7,741.30 × 2,387.88
  4. Step 4: Simplify right side
    5,161.44x = 18,485,295.44
  5. Step 5: Solve for x
    x = 18,485,295.44/5,161.44
  6. Step 6: Final answer
    x = 3,581.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.